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  • 1
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    Evaluation of ecological status of the Persian Gulf inshore waters (Hormozgan rocky bottoms) using macrophytic communities and a macroalgae biological index, EEI (2018)
    Details
    Publication Date: 2021-05-19
    Description: Marine benthic macrophytes (seaweed and seagrasses) are key structural and functional components of some of the most productive ecosystems of the world. They absorb nutrients through their surface directly from the marine environment and thus they are very important biological elements for the estimation of ecological status, representing reliable indicators of coastal waters. The aim of this study was to assess the ecological status and trophic level of Hormozgan rocky bottoms according to Ecological Evaluation Index (EEI) .Sampling was done bi-monthly at seven stations at the intertidal rocky shores, west of Hormozgan Province. In this study a total of 63 species were identified, of which 15 species from seven genera belonged to green algae; 16 species from five genera belonged to brown algae; and 32 species from nine genera belonged to red algae. Coverage data of macroalgae and EEI indicate a high level of eutrophication for Saieh khosh, and Bostaneh, They are classified as zones with bad and poor ecological status, respectively. Also it has been proved that concentrations of biogenic elements and phytoplankton blooming are higher in these zones. The best values of the estimated metrics at Tahooneh and Michaeil could be explained with the good ecological conditions in those zones and the absence of pollution sources close to those transects. The values of abundance of macroalgae and EEI indicate moderate ecological conditions for Koohin, Lengeh and Chirooieh.
    Description: Published
    Keywords: Saieh khosh ; Bostaneh ; Ecological evaluation index ; Trophic Level ; Inshore waters ; Macroalgae ; Evaluation ; Biological ; Macroalgae ; Seaweed
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.228-238
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  • 2
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    Frequency and distribution of macroalgae in coastal zone of Kish Island (2021)
    In:  http://aquaticcommons.org/id/eprint/24064 | 18721 | 2018-08-03 07:11:58 | 24064 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-15
    Description: Three main groups of macroalgae have been studied along 4 transects in Kish Island. Sampling were carried out during highest tidal time, bimonthly for one year. All sampling were made by applying quadrates (0.5XO.5m) randomly along the intertidal zone. The collected specimen were identified and their frequency and biomass were determined. Statistical results showed that Rizocolunium impelexum had the most frequency within green algae. Also, the most abundance occured in the first transect (Saffain), in the upper mid littoral zone (U.M.L) and during the first collection (March). Among the brown algae Cystoseira had the most abundance in the first transect and medium mid-littoral (M.M.L) in the fourth utllcction (September). Champia Japonica (red algae), had the most abundance Compared to the other 13 species in the first transect and in medium mid-littoral regions (M.M.L). From the obtained information that in the first transect were located in the domestic sewage effluent region, the diversity and abundance of chlorophyta were the most. This can be due to existence and abundance of elements and nutrients. With the observation in the second transect (south western), algal species diversity especially brown and red algae were very high.
    Keywords: Ecology ; Macroalgae ; Distribution ; Kish Island ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 63-80
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  • 3
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    Evaluation of ecological status of the Persian Gulf inshore waters (Hormozgan rocky bottoms) using macrophytic communities and a macroalgae biological index, EEI (2021)
    In:  http://aquaticcommons.org/id/eprint/23186 | 18721 | 2018-06-19 18:42:21 | 23186 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-13
    Description: Marine benthic macrophytes (seaweed and seagrasses) are key structural and functional components of some of the most productive ecosystems of the world. They absorb nutrients through their surface directly from the marine environment and thus they are very important biological elements for the estimation of ecological status, representing reliable indicators of coastal waters. The aim of this study was to assess the ecological status and trophic level of Hormozgan rocky bottoms according to Ecological Evaluation Index (EEI). Sampling was done bi-monthly at seven stations at the intertidal rocky shores, west of Hormozgan Province. In this study a total of 63 species were identified, of which 15 species from seven genera belonged to green algae; 16 species from five genera belonged to brown algae; and 32 species from nine genera belonged to red algae. Coverage data of macroalgae and EEI indicate a high level of eutrophication for Saieh khosh, and Bostaneh. They are classified as zones with bad and poor ecological status, respectively. Also it has been proved that concentrations of biogenic elements and phytoplankton blooming are higher in these zones. The best values of the estimated metrics at Tahooneh and Michaeil could be explained with the good ecological conditions in those zones and the absence of pollution sources close to those transects. The values of abundance of macroalgae and EEI indicate moderate ecological conditions for Koohin, Lengeh and Chirooieh.
    Keywords: Biology ; Ecology ; Environment ; Ecological evaluation index ; Trophic Level ; Inshore waters ; Macroalgae ; Hormozgan Province ; Persian Gulf ; Iran
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 228-238
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  • 4
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    Determination of the ecological status of rocky shores of Hormozgan Province through ecological study of seaweeds (2021)
    In:  http://aquaticcommons.org/id/eprint/25024 | 18721 | 2018-11-16 08:37:27 | 25024 | Khorramshahr University of Marine Science and Technology
    Details
    Publication Date: 2021-07-16
    Description: Sampling was done from March 2012 until January 2013 from 7 locations. In this study, a total of 75 species of seaweeds (macroalgea) were identified, 17 of which were green algal species from 9 genera and 6 families; 18 were brown algal species from 7 genera and 4 families; and 40 species were red algae from 18 genera and 11 families. Sampling determined that Lengeh harbor, with 6 species, had the lowest diversity of green algae. Brown algae species diversity at Michael’s location was the highest with 10 species each; and Tahooneh had the lowest amount of species diversity with 5 species. Red algae species diversity at Michael’s location was the the highest with 28 species, and Sayeh Khosh had the lowest diversity with 13 species. The coverage data of macroalgae and the Ecological Evaluation Index indicated a high level of eutrophication for Sayeh Khosh, and Bostaneh. They are classified as zones with a bad and poor ecological status. It was proven that concentrations of biogenic elements and phytoplankton blooming were higher in these zones. The best values of the estimated metrics at Tahooneh and Michael’s could be explained with the good ecological conditions in those zones and the absence of pollution sources close to that transect. The values of the abundance of macroalgae and the Ecological Evaluation Index indicate moderate ecological conditions for Koohin, Lengeh and Chirooieh.
    Keywords: Biology ; Ecology ; Iran ; Hormozghan ; Ecological Statues ; Species diversity ; Green algae ; Brown algae ; Red algae ; Rocky shore ; Seaweeds
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 81-96
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  • 5
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    Frequency and distribution of Macroalgae in coastal zone of Kish Island (2018)
    Details
    Publication Date: 2021-05-19
    Description: Three main groups of macroalgae have been studied along 4 transects in Kish Island. Sampling were carried out during highest tidal time, bimonthly for one year. All sampling were made by applying quadrates (0.5XO.5m) randomly along the intertidal zone. The collected specimen were identified and their frequency and biomass were determined. Statistical results showed that Rizocolunium impelexum had the most frequency within green algae. Also, the most abundance occured in the first transect (Saffain), in the upper mid littoral zone (U.M.L) and during the first collection (March). Among the brown algae Cystoseira had the most abundance in the first transect and medium mid-littoral (M.M.L) in the fourth utllcction (September). Champia Japonica (red algae), had the most abundance Compared to the other 13 species in the first transect and in medium mid-littoral regions (M.M.L). From the obtained information that in the first transect were located in the domestic sewage effluent region, the diversity and abundance of chlorophyta were the most. This can be due to existence and abundance of elements and nutrients. With the observation in the second transect (south western), algal species diversity especially brown and red algae were very high.
    Description: Published
    Keywords: Macroalgae ; Sampling ; Specimen ; Rhizocolunium impelexum ; Green algae ; Algae Cystoseira ; Champia Japonica ; Red algae ; Diversity ; Chlorophyta ; Seaweeds ; Algae ; Distribution ; Frequency
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.63-80
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